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公开(公告)号:US697934A
公开(公告)日:1902-04-15
申请号:US1901071280
申请日:1901-08-08
申请人: JOHN B C WHEELER , CASSIUS L STEVENS , R S SUTTON , HART MCKEE A , GEORGE F NEALE , JACOB WOLF , WILLIAM C MCELHENY , GEORGE O MORGAN , COHEN GEORGE W
发明人: COHEN GEORGE W
CPC分类号: B61L7/088